ASUS ROG Swift OLED PG32UCDM / LG UltraGear 27GP750-B

ASUS ROG Swift OLED PG32UCDM: PG32UCDM, 31.5-inch 4K 240 Hz QD-OLED. The similarly named PG32UCDP and the 27-inch PG27UCDM are separate products.

LG UltraGear 27GP750-B: 27GP750-B; 27-inch Full HD 240 Hz IPS gaming monitor (Canadian spec table). The higher-resolution 27GP850-B and the OLED UltraGear models are separate products.

SpecificationASUS ROG Swift OLED PG32UCDMLG UltraGear 27GP750-B
Release year20242021
Panel31.5-inch QD-OLED; 3840 × 2160 (16:9); 240 Hz; 0.03 ms (GtG); 10-bit; 0.182 mm pixel pitch; anti-reflection surface

In QD-OLED, blue OLED light is converted to red and green by quantum dots, keeping colours saturated. The semi-glossy surface can make blacks look grey in a bright room.

ASUS		27-inch (68.5 cm) IPS; 1920 × 1080; 16:9; pixel pitch 0.3108 mm

A 0.31 mm pixel pitch works out to about 82 ppi at 27 inches. Viewing angles are 178°/178°.

LG
Brightness and contrastHDR peak 1000 cd/m²; contrast 1,500,000:1

1000 cd/m² is a peak reached on a small part of the screen; full-screen white is much dimmer. ASUS notes the value can vary due to pre-calibration.

ASUS		400 cd/m² typical (minimum 320); 1000:1 typical contrast (minimum 700:1) LG
Colour and HDR99% DCI-P3; HDR10 and Dolby Vision; VESA DisplayHDR 400 True Black; factory calibration e-report ASUS99% sRGB typical (minimum 95%, CIE1931); 16.7 million colours; HDR10; factory calibrated

HDR10 signals are accepted; LG lists no DisplayHDR certification in the spec table, and typical brightness is 400 cd/m².

LG
SyncAdaptive-Sync; FreeSync Premium Pro; G-SYNC Compatible; ELMB

ELMB is a mode that inserts black between frames to reduce motion blur.

ASUS		—
Inputs1 × DisplayPort 1.4 (DSC); 2 × HDMI 2.1 (FRL); 1 × USB-C (DisplayPort Alt Mode, 90 W power delivery)

4K 240 Hz 10-bit over DisplayPort 1.4 uses Display Stream Compression (DSC). The 90 W USB-C port can drive and charge a laptop over a single cable.

ASUS		—
USB and audio3 × USB 3.2 Gen 1 Type-A hub; KVM switch; earphone jack; S/PDIF optical out; no speakers

KVM lets two computers share the same keyboard and mouse through the monitor.

ASUS		—
OLED careASUS OLED Care; proximity sensor; flicker-free

The proximity sensor dims the screen when the user leaves the desk to reduce burn-in risk; some owners wrote that they turned it off.

ASUS		—
StandTilt +20° / −5°; swivel ±15°; height 0–80 mm; VESA 100 × 100; tripod socket ASUS—
Size and weight71.8 × 57.9 × 27.4 cm with stand; 8.8 kg with stand, 6.0 kg without ASUSWithout stand 614.2 × 364.8 × 51.7 mm, 3.9 kg; with stand 6 kg LG
Warranty3 years, including panel burn-in

Warranty length and coverage can vary by country.

ASUS		—
Refresh and response—Up to 240 Hz; 1 ms (GtG, in Faster mode)

LG quotes 1 ms for grey-to-grey transitions at the fastest overdrive setting. Dynamic Action Sync aims to reduce input lag, and Black Stabilizer brings out detail in dark scenes.

LG
Variable refresh—NVIDIA G-SYNC Compatible; AMD FreeSync Premium

Variable refresh matches the monitor’s refresh rate to the graphics card’s frame rate to reduce tearing and stutter.

LG
Connections—2 × HDMI; 1 × DisplayPort 1.4; 3.5 mm headphone out

A DisplayPort cable is in the box. There are no built-in speakers or USB hub.

LG
Stand and mounting—Height, tilt and pivot adjustment; VESA 100 × 100

Height adjustment changes the overall height with the stand between 465.9 and 575.9 mm.

LG
Power—External adapter; 45 W typical, 48 W maximum; under 0.5 W in sleep LG